A method for cleaning the hot end of a fused deposition modeling 3D printer. The method includes: after printing with a first printing material at a first operating temperature of the hot end, setting the hot end to a second operating temperature, wherein the second operating temperature is equal to or higher than the first operating temperature; and extruding a cleaning material from a nozzle at the bottom of the hot end at the second operating temperature, wherein the cleaning material is in a high-elastic state at the second operating temperature.
Area Code: CN
Application Number: CN202110723515.4
